AirHint found the following cheapest return flights from Adelaide (ADL) to London (LGW) in May 2026 (see full year).

Return flights

22 May - 13 Jun	Singapore Airlines
06 May - 27 May	Singapore Airlines
01 May - 12 Jun	Singapore Airlines
12 May - 27 May	Singapore Airlines
06 May - 20 May	Singapore Airlines
12 May - 26 May	Singapore Airlines
28 May - 11 Jun	China Southern
24 May - 18 Jun	Singapore Airlines
11 May - 23 May	Singapore Airlines
24 May - 15 Jun	Singapore Airlines
07 May - 21 May	Emirates
26 May - 24 Jun	Emirates
11 May - 22 Jun	Emirates
14 May - 29 May	Emirates
01 May - 01 Jun	Emirates
22 May - 14 Jun	Emirates
22 May - 12 Jun	Singapore Airlines
01 May - 08 May	Emirates
07 May - 18 May	British Airways
05 May - 19 May	British Airways

Also check the deals for one-way flights from Adelaide to London in May.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Adelaide to London in May from $1146

Return flights